Set your Publisher ID in src/config/ads.ts to display live ads.
C# Summary & Certification Exam
Earn your official C# & .NET Enterprise Specialist Certificate
Demonstrate your enterprise C# engineering skills: .NET CLR architecture, nullable references, pattern matching switch expressions, records, LINQ, async/await, and IDisposable.
Key Skills Tested
CLR virtual machine execution and top-level statements.
Value types vs reference types and nullable reference safety.
Immutable records and non-destructive mutation with "with".
LINQ deferred execution and fluent data transformations.
Task-based async/await concurrency.
IDisposable cleanup with the using declaration.
Set your Publisher ID in src/config/ads.ts to display live ads.
Test Yourself With Exercise
Which C# feature allows declarative querying over collections with methods like `.Where()`, `.Select()`, and `.OrderBy()`?